#define _CRT_SECURE_NO_WARNINGS

#include<stdio.h>
#include<math.h>

int fabo(int n) {
	int sum = 0;
	if (n == 0)
		return 0;
	else if (n == 1)
		return 1;
	else
		sum += fabo(n) + fabo(n - 1);

	return sum;
}



int length(int n) {
	int c = 0;
	while (n != 0) {
		c++;
		n /= 10;
	}
	return c;
}


int main() {
	int x,y,z;
	double yy;
	x = pow(2, 5);
	y = sqrt(15);
	yy = sqrt(15);
	printf("x=%d y=%d yy=%f (int)yy=%d", x,y,yy,(int)yy);

	return 0;
}


/*int main() {
	int n, l, i, temp, sum = 0;
	scanf("%d", &n);
	l = length(n);
	temp = n;
	for (i = 0; i < l; i++) {
		sum = sum * 10 + temp % 10;
		temp /= 10;
	}
	if (n < 0) {

		printf("%d", sum);
	}
	else
		printf("%d", sum);




	return 0;
}


/*int main() {
	int n;
	scanf("%d", &n);
	printf("%d", fabo(n));





	return 0;
}*/